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What if scientists proved Planet X is real?

Over the past century, astronomers have speculated about the existence of a mysterious 9th planet lurking in the outer ...
BGR

There's A 40% Chance Planet Nine Exists, New Study Claims

There has been a lot of back and forth about the existence of a mysterious ninth planet, often referred to as "Planet Nine" or even "Planet X." Now, though, researchers say there is likely at least a ...